中国陆域冻土区浅表烃类地球化学特征及其成因分析
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杨志斌, 周亚龙, 张富贵, 张舜尧, 孙忠军
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Geochemical characteristics and genesis of hydrocarbons in superficial soil in continental permafrost regions in China
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YANG Zhi-Bin, ZHOU Ya-Long, ZHANG Fu-Gui, ZHANG Shun-Yao, SUN Zhong-Jun
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表2 冻土区土壤酸解烃指标统计特征
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Table 2 Statistics of various indexes of acidolytic hydrocarbon in the permafrost area
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地区 | 指标 | 检出样本数 | 均值 /(μL·kg-1) | 最小值 /(μL·kg-1) | 最大值 /(μL·kg-1) | 标准离差 /(μL·kg-1) | 变异系数 | 祁连山 木里地区 | CH4 | 300 | 55.50 | 1.17 | 1687.86 | 148.63 | 2.68 | C2H6 | 300 | 4.43 | 0.01 | 144.45 | 13.77 | 3.11 | C2H4 | 299 | 0.27 | 0 | 1.28 | 0.21 | 0.77 | C3H8 | 299 | 1.48 | 0 | 60.66 | 5.35 | 3.60 | C3H6 | 295 | 0.14 | 0 | 1.01 | 0.10 | 0.75 | nC4H10 | 272 | 0.45 | 0 | 19.87 | 1.82 | 3.64 | iC4H10 | 275 | 0.30 | 0 | 11.53 | 1.11 | 3.43 | nC5H12 | 280 | 0.23 | 0 | 9.63 | 0.78 | 3.14 | iC5H12 | 226 | 0.22 | 0 | 8.74 | 0.93 | 3.17 | 漠河盆地 | CH4 | 2001 | 3.89 | 0.89 | 17.83 | 1.46 | 0.38 | C2H6 | 1870 | 0.04 | 0 | 0.40 | 0.03 | 0.70 | C2H4 | 1976 | 0.14 | 0 | 1.45 | 0.13 | 0.95 | C3H8 | 1937 | 0.04 | 0 | 0.24 | 0.03 | 0.68 | C3H6 | 1956 | 0.07 | 0 | 0.53 | 0.04 | 0.65 | nC4H10 | 215 | 0.03 | 0 | 0.17 | 0.02 | 0.76 | iC4H10 | 84 | 0.02 | 0 | 0.09 | 0.01 | 0.70 | nC5H12 | 88 | 0.04 | 0 | 1.13 | 0.12 | 2.94 | iC5H12 | 72 | 0.03 | 0 | 0.11 | 0.02 | 0.66 | 羌塘盆地 | CH4 | 5011 | 3225.54 | 14.23 | 103309.19 | 3575.09 | 1.17 | C2H6 | 5011 | 123.68 | 0.43 | 2485.51 | 120.83 | 0.98 | C2H4 | 5011 | 0.56 | 0.06 | 2.62 | 0.26 | 0.46 | C3H8 | 5011 | 42.96 | 0.25 | 632.55 | 41.55 | 0.97 | C3H6 | 5011 | 0.41 | 0.03 | 3.99 | 0.21 | 0.51 | nC4H10 | 5011 | 14.08 | 0.07 | 250.98 | 13.74 | 0.98 | iC4H10 | 5011 | 10.50 | 0.04 | 205.49 | 11.05 | 1.05 | nC5H12 | 5011 | 5.14 | 0.04 | 94.82 | 5.21 | 1.01 | iC5H12 | 5011 | 7.82 | 0.08 | 182.35 | 8.48 | 1.09 |
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